Tube mill

Details Tube mill Tube mill

1974-03-19

1976-04-13

Custer, Jr., Granville Y.

Solid material comminution or disintegration

Processes

Miscellaneous

241 52, 241 54, 241 70, 241 80, 241176, B02C 1706

Patent

active

039499405

ABSTRACT:
An air-swept tube mill having at least two grinding chambers and a discharge chamber, an internal by-pass means in the last grinding chamber in communication at one end with the grinding chamber immediately preceding the last grinding chamber and at the other end, with the discharge chamber, whereby material ground in the first chamber is transferred through the by-pass directly to the discharge chamber and oversize material is transferred from the discharge chamber to the last grinding chamber for further grinding. A unique method is disclosed in which grinding of material takes place in a first grinding chamber of a tube mill and by-passed into a discharge chamber. The method further comprises feeding oversize materials from the discharge chamber into a last grinding chamber for additional grinding thereof.

REFERENCES:
patent: 1427234 (1922-08-01), Sherban
patent: 2185960 (1940-01-01), Vogel-Jorgensen
patent: 2399051 (1946-04-01), Maxson et al.
patent: 3712549 (1973-01-01), Cleemann

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